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// Copyright 2006-2008 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "v8.h"
#include "disassembler.h"
#include "factory.h"
#include "arm/simulator-arm.h"
#include "arm/assembler-arm-inl.h"
#include "cctest.h"
using namespace v8::internal;
// Define these function prototypes to match JSEntryFunction in execution.cc.
typedef int (*F1)(int x, int p1, int p2, int p3, int p4);
typedef int (*F2)(int x, int y, int p2, int p3, int p4);
typedef int (*F3)(void* p, int p1, int p2, int p3, int p4);
static v8::Persistent<v8::Context> env;
// The test framework does not accept flags on the command line, so we set them
static void InitializeVM() {
// disable compilation of natives by specifying an empty natives file
FLAG_natives_file = "";
// enable generation of comments
FLAG_debug_code = true;
if (env.IsEmpty()) {
env = v8::Context::New();
}
}
#define __ assm.
TEST(0) {
InitializeVM();
v8::HandleScope scope;
Assembler assm(NULL, 0);
__ add(r0, r0, Operand(r1));
__ mov(pc, Operand(lr));
CodeDesc desc;
assm.GetCode(&desc);
Object* code = Heap::CreateCode(desc,
NULL,
Code::ComputeFlags(Code::STUB),
Handle<Object>(Heap::undefined_value()));
CHECK(code->IsCode());
#ifdef DEBUG
Code::cast(code)->Print();
#endif
F2 f = FUNCTION_CAST<F2>(Code::cast(code)->entry());
int res = reinterpret_cast<int>(CALL_GENERATED_CODE(f, 3, 4, 0, 0, 0));
::printf("f() = %d\n", res);
CHECK_EQ(7, res);
}
TEST(1) {
InitializeVM();
v8::HandleScope scope;
Assembler assm(NULL, 0);
Label L, C;
__ mov(r1, Operand(r0));
__ mov(r0, Operand(0));
__ b(&C);
__ bind(&L);
__ add(r0, r0, Operand(r1));
__ sub(r1, r1, Operand(1));
__ bind(&C);
__ teq(r1, Operand(0));
__ b(ne, &L);
__ mov(pc, Operand(lr));
CodeDesc desc;
assm.GetCode(&desc);
Object* code = Heap::CreateCode(desc,
NULL,
Code::ComputeFlags(Code::STUB),
Handle<Object>(Heap::undefined_value()));
CHECK(code->IsCode());
#ifdef DEBUG
Code::cast(code)->Print();
#endif
F1 f = FUNCTION_CAST<F1>(Code::cast(code)->entry());
int res = reinterpret_cast<int>(CALL_GENERATED_CODE(f, 100, 0, 0, 0, 0));
::printf("f() = %d\n", res);
CHECK_EQ(5050, res);
}
TEST(2) {
InitializeVM();
v8::HandleScope scope;
Assembler assm(NULL, 0);
Label L, C;
__ mov(r1, Operand(r0));
__ mov(r0, Operand(1));
__ b(&C);
__ bind(&L);
__ mul(r0, r1, r0);
__ sub(r1, r1, Operand(1));
__ bind(&C);
__ teq(r1, Operand(0));
__ b(ne, &L);
__ mov(pc, Operand(lr));
// some relocated stuff here, not executed
__ RecordComment("dead code, just testing relocations");
__ mov(r0, Operand(Factory::true_value()));
__ RecordComment("dead code, just testing immediate operands");
__ mov(r0, Operand(-1));
__ mov(r0, Operand(0xFF000000));
__ mov(r0, Operand(0xF0F0F0F0));
__ mov(r0, Operand(0xFFF0FFFF));
CodeDesc desc;
assm.GetCode(&desc);
Object* code = Heap::CreateCode(desc,
NULL,
Code::ComputeFlags(Code::STUB),
Handle<Object>(Heap::undefined_value()));
CHECK(code->IsCode());
#ifdef DEBUG
Code::cast(code)->Print();
#endif
F1 f = FUNCTION_CAST<F1>(Code::cast(code)->entry());
int res = reinterpret_cast<int>(CALL_GENERATED_CODE(f, 10, 0, 0, 0, 0));
::printf("f() = %d\n", res);
CHECK_EQ(3628800, res);
}
TEST(3) {
InitializeVM();
v8::HandleScope scope;
typedef struct {
int i;
char c;
int16_t s;
} T;
T t;
Assembler assm(NULL, 0);
Label L, C;
__ mov(ip, Operand(sp));
__ stm(db_w, sp, r4.bit() | fp.bit() | lr.bit());
__ sub(fp, ip, Operand(4));
__ mov(r4, Operand(r0));
__ ldr(r0, MemOperand(r4, OFFSET_OF(T, i)));
__ mov(r2, Operand(r0, ASR, 1));
__ str(r2, MemOperand(r4, OFFSET_OF(T, i)));
__ ldrsb(r2, MemOperand(r4, OFFSET_OF(T, c)));
__ add(r0, r2, Operand(r0));
__ mov(r2, Operand(r2, LSL, 2));
__ strb(r2, MemOperand(r4, OFFSET_OF(T, c)));
__ ldrsh(r2, MemOperand(r4, OFFSET_OF(T, s)));
__ add(r0, r2, Operand(r0));
__ mov(r2, Operand(r2, ASR, 3));
__ strh(r2, MemOperand(r4, OFFSET_OF(T, s)));
__ ldm(ia_w, sp, r4.bit() | fp.bit() | pc.bit());
CodeDesc desc;
assm.GetCode(&desc);
Object* code = Heap::CreateCode(desc,
NULL,
Code::ComputeFlags(Code::STUB),
Handle<Object>(Heap::undefined_value()));
CHECK(code->IsCode());
#ifdef DEBUG
Code::cast(code)->Print();
#endif
F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry());
t.i = 100000;
t.c = 10;
t.s = 1000;
int res = reinterpret_cast<int>(CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0));
::printf("f() = %d\n", res);
CHECK_EQ(101010, res);
CHECK_EQ(100000/2, t.i);
CHECK_EQ(10*4, t.c);
CHECK_EQ(1000/8, t.s);
}
#undef __
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